Winnowing pretreatment device for coarse whiting micropowder
The invention provides a winnowing pretreatment device for coarse whiting micropowder. The winnowing pretreatment device comprises a drying and scattering device and a preliminary winnowing device, the drying and scattering device comprises a roller frame and a roller rotationally arranged on the ro...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a winnowing pretreatment device for coarse whiting micropowder. The winnowing pretreatment device comprises a drying and scattering device and a preliminary winnowing device, the drying and scattering device comprises a roller frame and a roller rotationally arranged on the roller frame, one end of the roller is provided with a first feeding port, and the other end of the roller is provided with a first discharging port. A heating mechanism is arranged on the roller, the preliminary winnowing device comprises a winnowing box, a second feeding port communicating with the first discharging port is formed in one side of the upper end of the winnowing box, a discharging mechanism is arranged in the winnowing box, a first winnowing mechanism is arranged on the discharging mechanism, and a second winnowing mechanism with upward wind power is arranged in the winnowing box. A second discharging port is formed in the upper end of the other side of the winnowing box, and the first winnowing mecha |
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